And Sarah said to Abraham, “Cast out that slave-woman and her son, for the son of that slave shall not share in the inheritance with my son Isaac” (Genesis 21:10). In Genesis 16, the childless Sarah, afraid that her husband Abraham will die without an heir, gives him her maid Hagar as a surrogate. When Hagar conceives, Sarah, believing that she has been lowered in her maid’s esteem, treats Hagar harshly and forces the maid to run away. God intervenes, Hagar returns, and she bears Abraham a son, Ishmael. But when Ishmael is 14, Sarah, at the age of […]